The primary source of stem thickening in plants is the vascular cambium. It is a plant tissue located between the phloem and the xylem and in the root of a vascular plant. It is the source of secondary growth or the radial growth of the stem of a plant.
Heliocentric theory thank you for your time .
your answer will 100% be C.
Which type of sound wave-object interaction breaks down kidney stones and destroys cancer cells?- absorption
That would be a pie graph (or a circle graph)